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40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Fri, 8 Jan 2021 19:48:21 +0100
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Subject: [PATCH] powerpc: Avoid recursive header includes
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- The include of bug.h leads to an include of printk.h which gets back
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to spinlock.h and complains then about missing xchg().
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Remove bug.h and add bits.h which is needed for BITS_PER_BYTE.
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- Avoid the "please don't include this file directly" error from
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rwlock-rt. Allow an include from/with rtmutex.h.
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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arch/powerpc/include/asm/cmpxchg.h | 2 +-
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arch/powerpc/include/asm/simple_spinlock_types.h | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/powerpc/include/asm/cmpxchg.h
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+++ b/arch/powerpc/include/asm/cmpxchg.h
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@@ -5,7 +5,7 @@
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#ifdef __KERNEL__
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#include <linux/compiler.h>
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#include <asm/synch.h>
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-#include <linux/bug.h>
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+#include <linux/bits.h>
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#ifdef __BIG_ENDIAN
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#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
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--- a/arch/powerpc/include/asm/simple_spinlock_types.h
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+++ b/arch/powerpc/include/asm/simple_spinlock_types.h
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@@ -2,7 +2,7 @@
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#ifndef _ASM_POWERPC_SIMPLE_SPINLOCK_TYPES_H
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#define _ASM_POWERPC_SIMPLE_SPINLOCK_TYPES_H
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-#ifndef __LINUX_SPINLOCK_TYPES_H
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+#if !defined(__LINUX_SPINLOCK_TYPES_H) && !defined(__LINUX_RT_MUTEX_H)
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# error "please don't include this file directly"
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#endif
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